What makes people want to solve a mystery? Listen to these seven stories and you might decide there are some things that can never be explained. Find out how one woman checked into a Parisian hotel - and then disappeared; why Flight 19 never returned, with no sign of wreckage or survivors; and if the ghosts of Borley rectory can ever rest in peace. With gripping accounts and dramatic fact files, uncover some mysterious events from real life and decide what you think really happened.

Two people are kidnapped and used in horrific experiments by hideous, lizard-eyed aliens. Strange beings descend in a beam of light to rescue a girl and her father. An alien space craft crashes in Roswell, USA...but some people seem determined to keep it a secret. Is there intelligent life on other planets? Have beings from outer space visited Earth? Look at the facts and make up your own mind: Is there really someone out there?

What would you do if disaster struck? Would you be a hero...or a coward? These are the true stories of people involved in many different kinds of disaster, and how they behaved in life-or-death situations. Hear about a single act of revenge that sacrificed hundreds of lives; how a tragic disaster at sea turned one man into a hero; the train crash that should never have happened and other real-life dramas.

A girl murders her own father and mother in cold blood. A whole village of people disappears without trace, and all anyone saw were strange lights in the sky. An Egyptian mummy, disturbed after thousands of years, leaves a trail of horrible disasters. Incredible? Impossible? Too awful to imagine? But someone, somewhere has sworn that each of these sinister stories is true...

What is war really like? Here are stories of sacrifices and massacres, of battles fought on horseback and in the trenches, at sea and on land. Find out about the savage school teacher who betrayed his students to the Roman soldiers, the American hero who led his country to independence only to be abandoned after the battle was won, and the football game between two fierce enemies that halted the First World War for a day. Discover how people survive in times of war in these incredible but true war stories.